Bug 5947: Increasing code coverage - mdsal-dom-inmemory-datastore

[mdsal.git] / dom / mdsal-dom-inmemory-datastore / src / test / java / org / opendaylight / mdsal / dom / store / inmemory / InMemoryDOMStoreThreePhaseCommitCohortTest.java

diff --git a/dom/mdsal-dom-inmemory-datastore/src/test/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreThreePhaseCommitCohortTest.java b/dom/mdsal-dom-inmemory-datastore/src/test/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreThreePhaseCommitCohortTest.java
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+++ b/dom/mdsal-dom-inmemory-datastore/src/test/java/org/opendaylight/mdsal/dom/store/inmemory/InMemoryDOMStoreThreePhaseCommitCohortTest.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.mdsal.dom.store.inmemory;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.reset;
+import static org.mockito.Mockito.verify;
+
+import java.lang.reflect.Field;
+import org.junit.Before;
+import org.junit.Test;
+import org.opendaylight.mdsal.common.api.OptimisticLockFailedException;
+import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
+import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedTransactions;
+import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction.TransactionReadyPrototype;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.ConflictingModificationAppliedException;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
+
+public class InMemoryDOMStoreThreePhaseCommitCohortTest {
+
+    private static  InMemoryDOMStoreThreePhaseCommitCohort inMemoryDOMStoreThreePhaseCommitCohort = null;
+    private static final InMemoryDOMDataStore IN_MEMORY_DOM_DATA_STORE = mock(InMemoryDOMDataStore.class);
+    private static final DataTreeCandidate DATA_TREE_CANDIDATE = mock(DataTreeCandidate.class);
+
+    @Before
+    public void setUp() throws Exception {
+        reset(IN_MEMORY_DOM_DATA_STORE);
+        DataTreeSnapshot dataTreeSnapshot = mock(DataTreeSnapshot.class);
+        TransactionReadyPrototype transactionReadyPrototype = mock(TransactionReadyPrototype.class);
+        DataTreeModification dataTreeModification = mock(DataTreeModification.class);
+        doReturn(dataTreeModification).when(dataTreeSnapshot).newModification();
+        doReturn("testModification").when(dataTreeModification).toString();
+
+        inMemoryDOMStoreThreePhaseCommitCohort =
+                new InMemoryDOMStoreThreePhaseCommitCohort(IN_MEMORY_DOM_DATA_STORE,
+                        SnapshotBackedTransactions
+                                .newWriteTransaction("test", false, dataTreeSnapshot, transactionReadyPrototype),
+                        dataTreeModification);
+    }
+
+    @Test
+    public void canCommitTest() throws Exception {
+        doNothing().when(IN_MEMORY_DOM_DATA_STORE).validate(any());
+        inMemoryDOMStoreThreePhaseCommitCohort.canCommit();
+        verify(IN_MEMORY_DOM_DATA_STORE).validate(any());
+    }
+
+    @Test(expected = OptimisticLockFailedException.class)
+    public void canCommitTestWithOptimisticLockFailedException() throws Throwable {
+        doThrow(new ConflictingModificationAppliedException(YangInstanceIdentifier.EMPTY, "testException"))
+                .when(IN_MEMORY_DOM_DATA_STORE).validate(any());
+        try {
+            inMemoryDOMStoreThreePhaseCommitCohort.canCommit().get();
+            fail("Expected exception");
+        } catch (Exception e) {
+            assertTrue(e.getCause() instanceof OptimisticLockFailedException);
+            throw e.getCause();
+        }
+    }
+
+    @Test(expected = TransactionCommitFailedException.class)
+    public void canCommitTestWithTransactionCommitFailedException() throws Throwable {
+        doThrow(new DataValidationFailedException(YangInstanceIdentifier.EMPTY, "testException"))
+                .when(IN_MEMORY_DOM_DATA_STORE).validate(any());
+        try {
+            inMemoryDOMStoreThreePhaseCommitCohort.canCommit().get();
+            fail("Expected exception");
+        } catch (Exception e) {
+            assertTrue(e.getCause() instanceof TransactionCommitFailedException);
+            throw e.getCause();
+        }
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void canCommitTestWithUnknownException() throws Throwable {
+        doThrow(new UnsupportedOperationException("testException"))
+                .when(IN_MEMORY_DOM_DATA_STORE).validate(any());
+        try {
+            inMemoryDOMStoreThreePhaseCommitCohort.canCommit().get();
+            fail("Expected exception");
+        } catch (Exception e) {
+            assertTrue(e.getCause() instanceof UnsupportedOperationException);
+            throw e.getCause();
+        }
+    }
+
+    @Test
+    public void preCommitTest() throws Exception {
+        doReturn(DATA_TREE_CANDIDATE).when(IN_MEMORY_DOM_DATA_STORE).prepare(any());
+        inMemoryDOMStoreThreePhaseCommitCohort.preCommit().get();
+        verify(IN_MEMORY_DOM_DATA_STORE).prepare(any());
+    }
+
+    @Test(expected = UnsupportedOperationException.class)
+    public void preCommitTestWithUnknownException() throws Throwable {
+        doThrow(new UnsupportedOperationException("testException"))
+                .when(IN_MEMORY_DOM_DATA_STORE).prepare(any());
+        try {
+            inMemoryDOMStoreThreePhaseCommitCohort.preCommit().get();
+            fail("Expected exception");
+        } catch (Exception e) {
+            assertTrue(e.getCause() instanceof UnsupportedOperationException);
+            throw e.getCause();
+        }
+    }
+
+    @Test
+    public void abortTest() throws Exception {
+        doReturn(DATA_TREE_CANDIDATE).when(IN_MEMORY_DOM_DATA_STORE).prepare(any());
+        doReturn("testDataTreeCandidate").when(DATA_TREE_CANDIDATE).toString();
+        final Field candidateField = InMemoryDOMStoreThreePhaseCommitCohort.class.getDeclaredField("candidate");
+        candidateField.setAccessible(true);
+
+        inMemoryDOMStoreThreePhaseCommitCohort.preCommit();
+        DataTreeCandidate candidate =
+                (DataTreeCandidate) candidateField.get(inMemoryDOMStoreThreePhaseCommitCohort);
+
+        assertNotNull(candidate);
+        inMemoryDOMStoreThreePhaseCommitCohort.abort();
+        candidate = (DataTreeCandidate) candidateField.get(inMemoryDOMStoreThreePhaseCommitCohort);
+        assertNull(candidate);
+    }
+
+    @Test
+    public void commitTest() throws Exception {
+        doNothing().when(IN_MEMORY_DOM_DATA_STORE).commit(any());
+        doReturn(DATA_TREE_CANDIDATE).when(IN_MEMORY_DOM_DATA_STORE).prepare(any());
+        inMemoryDOMStoreThreePhaseCommitCohort.preCommit();
+        inMemoryDOMStoreThreePhaseCommitCohort.commit();
+        verify(IN_MEMORY_DOM_DATA_STORE).commit(any());
+    }
+}
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